package com.itheima.controller;


import com.itheima.common.constant.MessageConstant;
import com.itheima.common.entity.Result;
import com.itheima.common.utils.POIUtils;
import com.itheima.pojo.OrderSetting;
import com.itheima.service.OrderSettingService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;

/**
 * 预约设置管理
 */
@RestController
@RequestMapping("/ordersetting")
public class OrderSettingController {

    @Autowired
    OrderSettingService orderSettingService;

    /**
     * 下载模板
     *
     * @return
     */
    @RequestMapping("/download")
    public Result download(HttpServletResponse httpResponse, String filename) {
        System.out.println("前端数据:" + filename);
        //todo 开发文件下载功能
     //  orderSettingService.download(httpResponse,filename);



        return new Result(true, "文件下载成功");
    }


    /**
     * 文件上传
     * @param excelFile
     * @return
     */
    @PostMapping("/upload")
    public Result upload(@RequestParam("excelFile") MultipartFile excelFile) {
        //读取Excel文件数据
        try{
            List<String[]> list = POIUtils.readExcel(excelFile);
            if(list != null && list.size() > 0){
                List<OrderSetting> orderSettingList = new ArrayList<>();
                for (String[] strings : list) {
                    OrderSetting orderSetting =
                            new OrderSetting(new Date(strings[0]), Integer.parseInt(strings[1]));
                    orderSettingList.add(orderSetting);
                }
                orderSettingService.add(orderSettingList);
            }
        } catch (IOException e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.IMPORT_ORDERSETTING_FAIL);
        }
        return new Result(true,MessageConstant.IMPORT_ORDERSETTING_SUCCESS);


    }

    /**
     * 根据日期查询预约设置数据(获取指定日期所在月份的预约设置数据)
     * @param month
     * @return
     */
    @RequestMapping("/getOrderSettingByMonth")
    public Result getOrderSettingByMonth(String month){//参数格式为：2019-03
        try{
            List<Map> list = orderSettingService.getOrderSettingByMonth(month);
            //获取预约设置数据成功
            return new Result(true,MessageConstant.GET_ORDERSETTING_SUCCESS,list);
        }catch (Exception e){
            e.printStackTrace();
            //获取预约设置数据失败
            return new Result(false,MessageConstant.GET_ORDERSETTING_FAIL);
        }
    }

    /**
     * 根据指定日期修改可预约人数
     * @param orderSetting
     * @return
     */
    @PostMapping("/editNumberByOrderDate")
    public Result editNumberByDate(@RequestBody OrderSetting orderSetting){
        try{
            orderSettingService.editNumberByDate(orderSetting);
            //预约设置成功
            return new Result(true,MessageConstant.ORDERSETTING_SUCCESS);
        }catch (Exception e){
            e.printStackTrace();
            //预约设置失败
            return new Result(false,MessageConstant.ORDERSETTING_FAIL);
        }
    }


}
